Author: Ricardo Gibert
Date: 15:13:35 11/09/02
Are there any chess engines that understand anything about strategic exchange sacs? The following is an instructive example of an exchange sac that yields a strategicly won position: [D]r3r1k1/1pqn1pbp/p2p2p1/3P4/1RP5/4B3/P3BPPP/3Q1RK1 b - - From Polugaevsky-Petrosian 50th USSR Ch Final 1958 19...Rxe3!! 20.fxe3 Nc5-+ 21.Qc2 Re8 22.Rf3 Bh6 23.Qc3 Qe7 24.Rb6? Na4 0-1 Neither Nimzo8 nor Ruffian 1.0.1 have a clue in the above position.
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